package com.qiang.demo01;

public class Test06 {
    public static void main(String[] args) {
        int abs = Math.abs(-1);
        System.out.println(abs);
        double ceil = Math.ceil(0.9);
        System.out.println(ceil);
        long l = System.currentTimeMillis();
        System.out.println(l);
        int[] arr = {11, 22, 33, 44, 55, 66};
        int[] brr = new int[8];
        System.arraycopy(arr, 1, brr, 2, 4);
        for (int i = 0; i < brr.length; i++) {
            System.out.println(brr[i]);
        }
    }
}
